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TLS Online TPP Program

#Question id: 4342

Suppose an experimenter becomes proficient with a technique that allows her to move DNA sequences within a prokaryotic genome. If a researcher moves the operator to the far end of the operon, past the transacetylase (lacA) gene, which of the following processes would likely occur when the cell is exposed to lactose?

#SCPH28 | Zoology

  1. The inducer will no longer bind to the repressor.

  2. The repressor will no longer bind to the operator.

  3. The operon will never be transcribed.

  4. The genes of the lac operon will be transcribed continuously.

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TLS Online TPP Program

#Question id: 1757

#SCPH01 Biochemistry

What is the first event following the production of CH germline transcripts by immunoglobulin genes?
TLS Online TPP Program

#Question id: 1757

#SCPH05 I Biotechnology

What is the first event following the production of CH germline transcripts by immunoglobulin genes?
TLS Online TPP Program

#Question id: 1758

#SCPH01 Biochemistry

The specificity of antibody secreted by a B-cell may not be the same as that of the surface Ig of the clonal parent because of:
TLS Online TPP Program

#Question id: 1758

#SCPH05 I Biotechnology

The specificity of antibody secreted by a B-cell may not be the same as that of the surface Ig of the clonal parent because of:
TLS Online TPP Program

#Question id: 1759

#SCPH01 Biochemistry

What is the major long-term source of a foreign antigen in the body?
TLS Online TPP Program

#Question id: 1759

#SCPH05 I Biotechnology

What is the major long-term source of a foreign antigen in the body?